Paper Title:
Investigation on Perforation Mechanism of Medium Density Polyethylene
  Abstract

In this article, the perforation mechanism(s) of polyethylene was investigated through experiments. Several polyethylene (PE) film samples were fabricated by compression molding technique. In order to examine the perforation mechanism of PE, perforation tests were conducted according to ASTM F 1306 Standard procedure. The damage and plastic zone areas around the perforated area in PE test samples under cross polarized light condition were studied using the optical microscope. The plastic zone area was measured using an image analysis technique. For further clarification of the perforation mechanism of medium density PE (MDPE) films, the micrographs obtained form scanning electron microscope were examined. SEM observation of the test specimens showed shear bands formed in the plastic zone around the perforated area. The shear bands were observed to be on 45° angle with respect to the direction of applied force.

  Info
Periodical
Materials Science Forum (Volumes 675-677)
Edited by
Yi Tan and Dongying Ju
Pages
387-390
DOI
10.4028/www.scientific.net/MSF.675-677.387
Citation
F. Hosseinabadi, S. M. Zebarjad, M. Mazinani, "Investigation on Perforation Mechanism of Medium Density Polyethylene", Materials Science Forum, Vols. 675-677, pp. 387-390, 2011
Online since
February 2011
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Price
$32.00
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